Since 2018, medical cannabis has been legal in the UK for specific conditions....

https://www.fastbookmarks.win/since-2018-medical-cannabis-has-been-legal-in-the-uk-but-it-is-rarely-a

Since 2018, medical cannabis has been legal in the UK for specific conditions. It isn’t a first-line treatment; you’ll need a specialist assessment, usually via private clinics, as NHS prescribing remains limited